Home / 19,443.40-29,205.18-12,800.59

Finding the Fourth Proportional to 19,443.40, 29,205.18 and 12,800.59

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Solution

The fourth proportional to 19,443.40, 29,205.18 and 12,800.59 is: 19,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,443.40 : 29,205.18 = 12,800.59 : x
  2. Step 2: Convert to fraction form
    19,443.40/29,205.18 = 12,800.59/x
  3. Step 3: Cross multiply
    19,443.40x = 29,205.18 × 12,800.59
  4. Step 4: Simplify right side
    19,443.40x = 373,843,535.06
  5. Step 5: Solve for x
    x = 373,843,535.06/19,443.40
  6. Step 6: Final answer
    x = 19,227.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.